Function description:
1. FSK single data and compound data TYPEI, TYPEII, compatible with receiving both data, comes
with call waiting function.
2. LCD can display 13 digits and 11 numbers.
3. Two languages: English and Spanish; English set as default.
4. Caller ID Functions:
(1) Support call back function for incoming numbers in US;
(2)Deletion for Incoming call records and full deletion function;
(3)Reviewing incoming calls records, quick review function;